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18f2455: usb & rs232

 
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fromTheBeach
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18f2455: usb & rs232
PostPosted: Fri Jul 20, 2007 6:41 am     Reply with quote
Hi!

I´m using the 18f2455. I have implemented a HID keyboard with the USB. Now, I want to received a file via RS232 (from PC1), to scan it and to send it as USB keys (to PC2). The problem is that I cannot received data, nor send ti via RS232!!

I´ve tryed just to "printf" via RS232..but it doesn´t work. I think it is a problem related with the FUSES and the CLOCK. Can anybody tell me sometring about this problem?
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PostPosted: Wed Aug 08, 2007 2:16 pm     Reply with quote
do you use MAX232 circuit for converting PC voltage levels to TTL suitable for a PIC microcontroller?
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